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QCRNG(4) Device Drivers Manual QCRNG(4)

qcrngQualcomm Snapdragon random number generator

qcrng* at fdt?

The qcrng driver provides support for the random number generator found on the Qualcomm Snapdragon SoCs.

It feeds the random subsystem's entropy pool with 32 bits of random data every second.

intro(4), random(4), arc4random(9)

The qcrng driver first appeared in OpenBSD 7.4.

The qcrng driver was written by Peter Hessler <>, based on the amlrng(4) driver by Mark Kettenis <>.

September 27, 2023 OpenBSD-current